there's a lot of concern with the european debt crisis, and even within the united states, with it being an election year. >> reporter: but burberry says it has been talking to other luxury goods makers, so it knows it's not alone in seeing the slowdown. as a result, luxury good stocks like lvmh, tiffany, and coach also fell today, although they didn't get hit nearly as hard as burberry. it's not just luxury firms getting hurt by the global slowdown. many other bellwether firms have said revenues are suffering due to weaker sales in china, europe and elsewhere. in the s&p 500, there have been 88 negative pre-announcements for the third quarter so far, and only 20 positive ones. >> the number of negative pre- announcements we've received is the worst in over a decade. we've already seen analysts become very bearish on these companies. >> reporter: last week, chipmaker intel drastically reduced its sales forecast, warning consumers and businesses are buying fewer personal computers. the company also withdrew its full-year guidance, which is seen as a sign of extreme uncertainty. and fedex